John Hamilton Mackie (8 January 1898 – 29 December 1958) was a Scottish Unionist Party Member of Parliament (MP) for Galloway from 1931 to 1958.^[1]

This article relies largely or entirely on a single source. (April 2016)

He was a member of the antisemitic and pro-Nazi Right Club established by Archibald Maule Ramsay in 1938.^[2]

Having been refused a Conservative nomination at the 1945 general election, Mackie was re-elected and sat as an "Independent Unionist" from 1945 to 1948. The Conservative whip was restored in 1948 and he continued to represent Galloway until his death.